Budget carrier Norwegian Air has been granted six slots at Heathrow for next summer.
It’s believed the airline will use the slots on transatlantic routes, with Orlando tipped to be one of the destinations, although Norwegian has not yet commented on where the Heathrow services could fly to.
A spokesman said: "We can confirm that the airline has been granted six slots, three take off and three landing, at London Heathrow.
"We have a strong track record of disrupting incumbent carriers and alliances by offering low fares and award-winning service on specific routes and destinations that were previously operated as monopolies.
"Our strategy benefits both consumers and businesses boosting local economies and employment.
"We continuously adjust our network in response to demand and we will announce any further changes as and when it is appropriate to do so."
Last week, Norwegian announced it was ending some long-haul routes from Scandinavia to the US and Thailand. The announcement followed news it had signed an interline partnership with US budget carrier JetBlue for next summer.
In October, the airline revealed revenue rose for the seventh month in a row and was up 6% year-on-year.
Its new CEO, Jacob Schram, is due to start on January 1.